package lab04.test04;

/**
 * Created by JAVA on 2017/12/22.
 */
public class Test03   extends Thread{
        public void run(){
            int a=5;
            while(a>0){
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                System.out.println(a);
                a--;
            }
        }
    }
